1,1,1-Trichloroethane
Waterloo Water Works
1,1,1-Trichloroethane is a solvent and a degreasing agent used for manufacturing metal products and as ingredient in cleaners and aerosols. Exposure to 1,1,1-trichloroethane can harm the nervous system, liver and circulatory system.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | ND | 1 | 0 | ND |
2015 | ND | 2 | 0 | ND |
2016 | ND | 1 | 0 | ND |
2017 | ND | 1 | 0 | ND |
2018 | ND | 9 | 0 | ND |
2019 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State and national drinking water standards and health guidelines
EPA Maximum Contaminant
Level (MCL) 200 ppb
The legal limit for 1,1,1-trichloroethane, established in 1987, was based on toxicity studies conducted in laboratory animals in the 1970s and 1980s.
ppb = parts per billion
All test results
Date | Lab ID | Result |
---|---|---|
2014-02-19 | 2036027 | ND |
2015-03-05 | 1C50388-01 | ND |
2015-10-13 | 1J51068-01 | ND |
2016-01-27 | 1A61740-01 | ND |
2017-02-08 | 1B70543-01 | ND |
2018-01-23 | 1A81570-01 | ND |
2018-10-02 | 1J80462-01 | ND |
2018-10-02 | 1J80470-01 | ND |
2018-10-02 | 1J80478-01 | ND |
2018-10-02 | 1J80498-01 | ND |
2018-10-03 | 1J80467-01 | ND |
2018-10-03 | 1J80483-01 | ND |
2018-10-03 | 1J80489-01 | ND |
2018-10-03 | 1J80493-01 | ND |